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  • Title: [A case of chronic myeloid leukemia occurring during treatment for chronic lymphocytic leukemia].
    Author: Hattori H, Kuwayama M, Kotake T, Karasuno T.
    Journal: Gan To Kagaku Ryoho; 2011 Feb; 38(2):333-6. PubMed ID: 21368508.
    Abstract:
    Since the progression of chronic lymphocytic leukemia(CLL)is long and requires lengthy primary disease management, the risk of double primary cancers and secondary cancer due to treatment has become an issue in western countries with a high incidence of CLL. However, the coexistence with chronic myeloid leukemia(CML)is rare even in the West, and no cases have been reported in Japan. At this time, we would like to report a rare case of CML coexisting during the progression of CLL. The patient was a 68-year-old woman. As she had entered the advanced stage of B-cell chronic lymphocytic leukemia(B-CLL), fludarabine, a purine analog agent, was administered. Two years later, a high-granulocyte dominant white blood cell count began to appear. BCR/ABL analysis by FISH was 97. 6%positive, and the chromosomal test was t(9:22)(q34:q11), so CML was diagnosed. Coexistence of CML in CLL can mainly be classified into three types; CML preceding CLL, CLL preceding CML, and simultaneous occurrence, and the most common, as in this case, long progression CLL preceding CML. At this time, we performed a mainly bibliographical consideration according to the main occurrence type, including the possibility of secondary CML due to fludarabine.
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